Home / 971,979.84-1,458,620.54-403,361.46

Finding the Fourth Proportional to 971,979.84, 1,458,620.54 and 403,361.46

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Solution

The fourth proportional to 971,979.84, 1,458,620.54 and 403,361.46 is: 605,312.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,979.84 : 1,458,620.54 = 403,361.46 : x
  2. Step 2: Convert to fraction form
    971,979.84/1,458,620.54 = 403,361.46/x
  3. Step 3: Cross multiply
    971,979.84x = 1,458,620.54 × 403,361.46
  4. Step 4: Simplify right side
    971,979.84x = 588,351,310,600.39
  5. Step 5: Solve for x
    x = 588,351,310,600.39/971,979.84
  6. Step 6: Final answer
    x = 605,312.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.